Craig Mayer, Nick WIlliams, Vojtech Huser
Lister Hill National Center for Biomedical Communications, National Library of Medicine, NIH, Bethesda, MD

See the full regCTG repository at https://github.com/lhncbc/CRI/tree/master/regCTG

To return to the list of conditions and view other reports go to https://lhncbc.github.io/CRI/regCTG/regCTG-condition_report_links.html

Study Counts

Type Study_count
Total_Studies 202
interventional 141
Observational 53
Registry 8

Studies over Time by Start Date

```

Interventional Trials

Intervention Type

intervention_type Study_Count
Procedure 41
Device 38
Drug|placebo 14
Drug 12
Other 12
Diagnostic Test 7
Behavioral 3
Device|Other 3
Biological|placebo 2
Device|Procedure 2
Drug|Procedure 2
Diagnostic Test|Other 1
Dietary Supplement|placebo 1
Genetic 1
Other|Procedure 1
placebo|Procedure 1

Count of Studies by Intervention (normalized and mapped)

Interventions over Time

Yearly studies for each intervention by start date

Studies by Country

Country Study_Count
United States 37
China 17
Korea, Republic of 10
NA 9
United Kingdom 8
Italy 6
Canada 5
France 5
Australia 4
Germany 3
Hong Kong 3
Japan 3
Taiwan 3
Austria 2
Belgium 2
Spain 2
United States|Israel|Netherlands 2
Argentina 1
Austria|Germany 1
Belgium|Netherlands 1
Brazil 1
Ecuador 1
Greece 1
Italy|United Kingdom 1
Norway 1
Switzerland 1
United States|Argentina|Australia|Belgium|Canada|Chile|Israel|Japan|Mexico|Portugal|Russian Federation|Spain|Sweden|Turkey 1
United States|Argentina|Australia|Canada|Germany|Korea, Republic of|Netherlands|Romania|Russian Federation|Sweden|United Kingdom 1
United States|Argentina|Belgium|Canada|Czechia|Germany|Italy|Netherlands|Poland 1
United States|Belgium|Canada|Czechia|France|Germany|Hungary|Mexico|Poland|Portugal|Russian Federation|Spain|Ukraine|United Kingdom 1
United States|Belgium|Finland|France|Hungary|Mexico|Poland|Russian Federation|Spain|Ukraine 1
United States|Bulgaria|Czechia|France|Germany|Hungary|Italy|Netherlands|Poland|Romania|Russian Federation|Ukraine|United Kingdom 1
United States|Canada 1
United States|Canada|Czechia|Germany|Mexico|Poland|Portugal|Russian Federation|Ukraine|United Kingdom 1
United States|China|Italy|Taiwan 1
United States|Czechia|Ukraine 1
United States|Puerto Rico 1

Sites per Study

Site_count Study_Count
1 95
2 13
3 6
4 3
5 1
6 3
7 2
8 2
9 2
11 1
16 2
18 1
19 1
20 1
29 1
35 1
37 1
45 1
76 1
79 1
102 1
123 1

Phase

Phase Study_Count
N/A 98
Phase 3 17
Phase 2 9
Phase 2/Phase 3 7
Phase 4 7
Phase 1 3

Number of Arms

Number_of_Arms Count_of_Studies
1 32
2 91
3 5
4 7
6 1
8 1
13 1
NA 3

Enrollment Metrics by Phase

Measure N.A Phase.1 Phase.2 Phase.2.Phase.3 Phase.3 Phase.4
Min. 2.0000 30.0 20 54.0000 20.0000 32.0000
1st Qu. 92.0000 35.5 30 78.5000 98.0000 57.0000
Median 211.5000 41.0 45 120.0000 138.0000 130.0000
Mean 929.0918 56.0 73 695.7143 350.1176 208.8571
3rd Qu. 589.5000 69.0 100 863.0000 413.0000 171.0000
Max. 50000.0000 97.0 197 2813.0000 2079.0000 844.0000

Trial Group Type

group_type Group_Count
Experimental 154
Active Comparator 67
No Intervention 26
Placebo Comparator 24
Other 11
NA 3
Sham Comparator 2

Intervention Model

intervention_model Study_Count
Parallel Assignment 92
Single Group Assignment 37
Factorial Assignment 5
Crossover Assignment 4
Sequential Assignment 3

Primary Purpose

primary_purpose Study_Count
Treatment 73
Diagnostic 38
Prevention 13
Screening 9
Other 3
Device Feasibility 2
Health Services Research 1
Supportive Care 1
NA 1

Observational Studies

Studies by Country

Country Study_Count
United States 17
China 6
Germany 5
Canada 4
NA 4
Netherlands 3
Israel 2
Italy 2
Korea, Republic of 2
Spain 2
United Kingdom 2
Austria 1
Egypt 1
France 1
Greece 1

Sites per Study

Site_count Study_Count
1 42
2 4
3 3
4 1
6 1
9 1
13 1

Enrollment Metrics

Measure Observational
Min 23.000
1st Qu 120.000
Median 292.000
Mean 1549.434
3rd Qu 615.000
Max 25000.000

Observation Model

observational_model Study_Count
Cohort 35
Case-Only 8
Case-Control 4
Case Control 3
Other 2
NA 1

Time Perspective

time_perspective Study_Count
Prospective 46
Retrospective 3
Cross-Sectional 2
Other 2

Registries

Studies by Country

Country Study_Count
United States 3
China 2
Italy 1
Netherlands 1
United States|Canada 1

Sites per Study

Site_count Study_Count
1 6
4 1
30 1

Enrollment Metrics

Measure Registries
Min 30.000
1st Qu 425.000
Median 1329.500
Mean 9194.125
3rd Qu 2318.750
Max 64889.000

Registry Model

observational_model Study_Count
Cohort 4
Case-Control 2
Other 2

Time Perspective

time_perspective Study_Count
Prospective 6
Cross-Sectional 1
Other 1

Follow-up

target_duration Study_Count
5 Years 2
1 Day 1
1 Year 1
10 Days 1
18 Months 1
2 Years 1
6 Months 1

Overview of Studies

Interventional Trials

#If less then 500 trials

nct_id brief_title link overall_status source primary_completion_date
NCT04124393 Multicenter Evaluation of Right Colon Polyp Miss Rates Using Water Exchange Versus CO2 Insufflation https://ClinicalTrials.gov/show/NCT04124393 Recruiting Evergreen General Hospital, Taiwan 2021-05-31
NCT03410797 Efficacy of a Semi-occluded Mask in the Treatment of Patients With Voice Disorders https://ClinicalTrials.gov/show/NCT03410797 Completed University of Pittsburgh 2019-09-30
NCT02024659 Effects and Safety of Budesonide Inhalation Suspension Via Transnasal Nebulization in Nasal Polyps https://ClinicalTrials.gov/show/NCT02024659 Completed Beijing Tongren Hospital 2011-12-31
NCT03072472 BowelScope: Accuracy of Detection Using ENdocuff Optimisation of Mucosal Abnormalities https://ClinicalTrials.gov/show/NCT03072472 Completed South Tyneside and Sunderland NHS Foundation Trust 2018-02-13
NCT03326063 Therapeutic Control of Aspirin-Exacerbated Respiratory Disease With Ifetroban https://ClinicalTrials.gov/show/NCT03326063 Recruiting Brigham and Women’s Hospital 2020-10-31
NCT03309709 Endometrial Polyps Regression With Progesterone Therapy https://ClinicalTrials.gov/show/NCT03309709 Recruiting University Magna Graecia 2019-10-30
NCT03280550 A Clinical Trial of Omalizumab in Participants With Chronic Rhinosinusitis With Nasal Polyps https://ClinicalTrials.gov/show/NCT03280550 Completed Hoffmann-La Roche 2019-03-11
NCT03280537 A Clinical Trial of Omalizumab in Participants With Chronic Rhinosinusitus With Nasal Polyps https://ClinicalTrials.gov/show/NCT03280537 Completed Hoffmann-La Roche 2019-03-07
NCT03151954 The Activation of Hippo Pathway in Nasal Polyps https://ClinicalTrials.gov/show/NCT03151954 Recruiting Third Affiliated Hospital, Sun Yat-Sen University 2020-07-31
NCT03139942 Optical Polyp Testing for In Vivo Classification https://ClinicalTrials.gov/show/NCT03139942 Completed Imperial College London 2017-07-11
NCT03121495 Study on Second Forward View Examination in the Right Colon https://ClinicalTrials.gov/show/NCT03121495 Recruiting Chinese University of Hong Kong 2020-07-31
NCT03117114 Endocuff Vision Assisted vs. Standard Polyp Resection in the Colorectum https://ClinicalTrials.gov/show/NCT03117114 Completed Technische Universität München 2018-09-01
NCT03085797 Effect of Mepolizumab in Severe Bilateral Nasal Polyps https://ClinicalTrials.gov/show/NCT03085797 Completed GlaxoSmithKline 2019-12-11
NCT03073226 A Prospective Study Comparing the Accuracy of Olympus Lucera Spectrum Technology vs Olympus Lucera Elite Technology in the in Vivo Diagnosis of Barrett’s Oesophagus and Colorectal Polyps: The ELITE Study https://ClinicalTrials.gov/show/NCT03073226 Completed Portsmouth Hospitals NHS Trust 2017-11-30
NCT03065868 Effect of H. Pylori Eradication on the Fate of H. Pylori-associated Gastric Polyp https://ClinicalTrials.gov/show/NCT03065868 Completed Kyungpook National University Hospital 2019-04-30
NCT02975310 In-clinic Endoscopic Polypectomy for Chronic Sinusitis With Nasal Polyps https://ClinicalTrials.gov/show/NCT02975310 Recruiting Ottawa Hospital Research Institute 2021-06-30
NCT02912468 A Controlled Clinical Study of Dupilumab in Patients With Bilateral Nasal Polyps https://ClinicalTrials.gov/show/NCT02912468 Completed Sanofi 2018-07-05
NCT02898454 Controlled Clinical Study of Dupilumab in Patients With Nasal Polyps https://ClinicalTrials.gov/show/NCT02898454 Completed Sanofi 2018-08-27
NCT02855931 Study to Compare Resection Versus Preservation of the Middle Turbinate in Surgery for Nasal Polyps https://ClinicalTrials.gov/show/NCT02855931 Completed Université de Sherbrooke 2017-12-31
NCT02051465 Effectiveness and Safety of the Endoscopic Removal of Large and Flat Colonic Polyps With LumenR RetractorTM https://ClinicalTrials.gov/show/NCT02051465 Completed Mercy Medical Center 2017-12-31
NCT02811419 I-scan for Adenoma Detection https://ClinicalTrials.gov/show/NCT02811419 Completed University of California, San Francisco 2017-12-31
NCT02762227 The Role of Different Imaging Methods in the Diagnosis of Gallbladder Polyps https://ClinicalTrials.gov/show/NCT02762227 Recruiting RenJi Hospital 2020-12-31
NCT02748070 Perioperative Oral Steroids for Chronic Rhinosinusitis Without Polyps (CRSsNP) https://ClinicalTrials.gov/show/NCT02748070 Completed Stanford University 2019-07-31
NCT02743871 Study Of PF-06817024 In Healthy Subjects, In Patients With Chronic Rhinosinusitis With Nasal Polyps And in Patients With Atopic Dermatitis https://ClinicalTrials.gov/show/NCT02743871 Active, not recruiting Pfizer 2021-02-14
NCT02717598 Cold Snare Polypectomy Versus Hot Snare Polypectomy for Diminutive and Small Colorectal Polyps https://ClinicalTrials.gov/show/NCT02717598 Completed Wulumuqi General Hospital of Lanzhou Military Command 2017-04-30
NCT01406379 Comparison of Prophylactic Clip and Detachable Snare https://ClinicalTrials.gov/show/NCT01406379 Completed The Catholic University of Korea 2013-01-31
NCT02595645 GENESIS: Genetic Biopsy for Prediction of Surveillance Intervals After Endoscopic Resection of Colonic Polyps https://ClinicalTrials.gov/show/NCT02595645 Completed University of Ulm 2016-08-31
NCT02581254 Thin Wire Versus Thick Wire Snare for Cold Snare Polypectomy of Diminutive Polyps https://ClinicalTrials.gov/show/NCT02581254 Recruiting Western Sydney Local Health District 2020-07-31
NCT02036047 The Effectiveness of an Exclusive Cold Snare Polypectomy Snare for the Removal of Diminutive Colorectal Polyps https://ClinicalTrials.gov/show/NCT02036047 Completed Showa Inan General Hospital 2014-10-31
NCT02533206 Pilot Study of The EPIC Trial https://ClinicalTrials.gov/show/NCT02533206 Active, not recruiting Ottawa Hospital Research Institute 2021-06-30
NCT02532803 Mri IN STaging REctal Polyp Planes https://ClinicalTrials.gov/show/NCT02532803 Active, not recruiting Royal Marsden NHS Foundation Trust 2017-07-27
NCT02529007 Endo-cuff Assisted Vs. Standard Colonoscopy for Polyp Detection in Bowel Cancer Screening https://ClinicalTrials.gov/show/NCT02529007 Completed Portsmouth Hospitals NHS Trust 2015-09-30
NCT02472197 Morcellator Versus Resectoscope in the Treatment of Uterine Polyps by Hysteroscopy https://ClinicalTrials.gov/show/NCT02472197 Completed University Hospital, Strasbourg, France 2018-07-31
NCT02470416 Prevalence of Small Bowel Polyps in Patients With Sporadic Duodenal Adenomas https://ClinicalTrials.gov/show/NCT02470416 Active, not recruiting Western Sydney Local Health District 2018-07-31
NCT01623323 Study Evaluating the Safety of Intranasal Administration of 400 μg of Fluticasone Propionate Twice a Day (BID) Using a Novel Bi-Directional Device in Subjects With Chronic Sinusitis With or Without Nasal Polyps https://ClinicalTrials.gov/show/NCT01623323 Completed Optinose US Inc. 2015-03-31
NCT02372552 Microwave Coagulation Using CROMA Electrosurgical System https://ClinicalTrials.gov/show/NCT02372552 Completed Creo Medical Limited 2016-06-30
NCT02292563 The Impact of Experienced Endoscopy Nurse Participation on Polyp and Adenoma Detection During Colonoscopy https://ClinicalTrials.gov/show/NCT02292563 Completed Ningbo No. 1 Hospital 2016-05-31
NCT02245854 Efficacy and Safety of a New Polypectomy Snare for Cold-polypectomy for Small Colorectal Polyps https://ClinicalTrials.gov/show/NCT02245854 Completed Istituto Clinico Humanitas 2014-04-30
NCT02239549 Biopsy Forceps Versus Cold Snare for the Resection of Small Colonic Polyps https://ClinicalTrials.gov/show/NCT02239549 Completed San Diego Veterans Healthcare System 2012-05-31
NCT02239536 Hot Snare Versus Hot Snare Polypectomy With Saline Injection for Colorectal Polyps https://ClinicalTrials.gov/show/NCT02239536 Completed Seoul St. Mary’s Hospital 2017-12-31
NCT02201147 Cold Snare Polypectomy Vs. Cold Forceps Polypectomy Using Narrow-band Imaging Endoscopy for Removal of Diminutive Colorectal Polyps https://ClinicalTrials.gov/show/NCT02201147 Completed Soonchunhyang University Hospital 2014-11-30
NCT02198729 Comparison Rectal Endoscopic Submucosal Dissection to Endoscopic Mucosal Resection https://ClinicalTrials.gov/show/NCT02198729 Recruiting Western Sydney Local Health District 2020-05-31
NCT02170337 A Study to Evaluate the Safety, Tolerability, Pharmacokinetics, and Pharmacodynamics of AMG 282 in Healthy Subjects and Subjects With Chronic Rhinosinusitis With Nasal Polyps https://ClinicalTrials.gov/show/NCT02170337 Completed Amgen 2016-05-31
NCT02126397 Comparative Study of Endometrial Polypectomy Performed With Bipolar Electrode Versapoint and Laser Diode. A Randomised Controlled Trial. https://ClinicalTrials.gov/show/NCT02126397 Completed Maimónides Biomedical Research Institute of Córdoba 2014-03-31
NCT02097394 The Clinical Study on Combizym and Bifidobacteri to Prevent the Recurrence of Colon Polyps https://ClinicalTrials.gov/show/NCT02097394 Enrolling by invitation RenJi Hospital 2020-06-30
NCT01310699 Study of Flat Polyp Detection Using New Narrow Band Imaging (NBI) Compared to White Light Colonoscopy - The FIND FLAT Colonoscopy Study https://ClinicalTrials.gov/show/NCT01310699 Completed VA Palo Alto Health Care System 2016-05-31
NCT01288833 Clinical Study of Real Time Colorectal Polyp Diagnosis During Colonoscopy - the VALID Colonoscopy Study https://ClinicalTrials.gov/show/NCT01288833 Completed VA Palo Alto Health Care System 2015-06-30
NCT03373136 Compare Bleeding Risk Between Cold and Hot Snaring Polypectomy for Small Colorectal Polyp: a Randomized Control Trial https://ClinicalTrials.gov/show/NCT03373136 Recruiting National Taiwan University Hospital 2020-12-30
NCT01955122 Polyp Detection With the EndoRingsâ„¢: A Randomized Tandem Colonoscopy Study https://ClinicalTrials.gov/show/NCT01955122 Completed EndoAid 2014-07-31
NCT01950117 Complete Removal of Neoplastic Large Colorectal Polyps: a Prospective Randomized Comparison of Endoscopic Mucosal Resection or Conventional Polypectomy https://ClinicalTrials.gov/show/NCT01950117 Completed Showa Inan General Hospital 2014-10-31
NCT01936948 Safety of Endoscopic Resection of Large Colorectal Polyps: A Randomized Trial. https://ClinicalTrials.gov/show/NCT01936948 Active, not recruiting White River Junction Veterans Affairs Medical Center 2018-08-31
NCT01935180 Does Cap Assisted Colonoscopy Improve Detection of Adenomatous Polyps? (CAP Trial) https://ClinicalTrials.gov/show/NCT01935180 Completed White River Junction Veterans Affairs Medical Center 2012-05-31
NCT01732536 Steroid-Releasing S8 Sinus Implant for Recurrent Nasal Polyps https://ClinicalTrials.gov/show/NCT01732536 Completed Intersect ENT 2013-11-30
NCT01712048 Submucosal Injection EMR vs. Underwater EMR for Colorectal Polyps https://ClinicalTrials.gov/show/NCT01712048 Completed California Pacific Medical Center Research Institute 2019-12-31
NCT01665898 Comparing Cold Biopsy Forceps Versus Cold Snare Biopsy for Colon Polyps https://ClinicalTrials.gov/show/NCT01665898 Completed Incheon St.Mary’s Hospital 2014-08-31
NCT01646242 Cold Snare Versus Double Biopsy Polypectomy Technique for Removal of Diminutive Colorectal Polyps https://ClinicalTrials.gov/show/NCT01646242 Completed Kyunghee University Medical Center 2013-06-30
NCT01638091 Practice-Based Learning to Predict Polyp Histology at Colonoscopy https://ClinicalTrials.gov/show/NCT01638091 Completed Stanford University 2012-03-31
NCT01623310 12-Month OL Intranasal Fluticasone Propionate BID Using OptiNose Device https://ClinicalTrials.gov/show/NCT01623310 Completed Optinose US Inc. 2015-08-31
NCT01607827 Colorectal Polypectomy Upon Insertion And Withdrawal Or Upon Withdrawal Only? https://ClinicalTrials.gov/show/NCT01607827 Completed University of Zurich 2007-03-31
NCT01577875 Comparison of Narrow Band Imaging With or Without Magnifying Colonoscopy https://ClinicalTrials.gov/show/NCT01577875 Completed Seoul National University Hospital 2012-08-31
NCT01554098 A Comparison of Two Colonoscopic Withdrawal Techniques https://ClinicalTrials.gov/show/NCT01554098 Completed Sheffield Teaching Hospitals NHS Foundation Trust 2014-02-28
NCT01553565 Prospective Comparison of Cold Polypectomy and Conventional Polypectomy for Small Colorectal Polyps in Patients Taking Antithrombotic Agents https://ClinicalTrials.gov/show/NCT01553565 Completed Showa Inan General Hospital 2012-12-31
NCT01549535 Polyp Detection With The Peerscope Systemâ„¢ https://ClinicalTrials.gov/show/NCT01549535 Completed PeerMedical Ltd. 2013-03-31
NCT01537822 The Hysteroscopic Morcellator (HM). https://ClinicalTrials.gov/show/NCT01537822 Recruiting University Hospital, Ghent 2021-09-30
NCT01509313 A Trial Comparing Morcellation With Electrical Resection for Removal of Uterine Polyps https://ClinicalTrials.gov/show/NCT01509313 Completed Birmingham Women’s NHS Foundation Trust 2013-06-30
NCT01437631 EFficacy of Prophylactic Clip Application in Decrease of Immediate Postpolypectomy Bleeding and Delayed Postpolypectomy Bleeding After Colonoscopic Removal for a Large Pedunculated Polyps https://ClinicalTrials.gov/show/NCT01437631 Completed Asan Medical Center 2015-04-30
NCT01415817 Endoscopic Quality Improvement Program https://ClinicalTrials.gov/show/NCT01415817 Completed Mayo Clinic 2010-12-31
NCT01395173 Position Changes During Colonoscope Withdrawal and Polyp Detection https://ClinicalTrials.gov/show/NCT01395173 Completed University of British Columbia 2012-07-31
NCT01386125 A Study of the Effectiveness and Safety of Mometasone Furoate Nasal Spray (MFNS, SCH 032088) for the Treatment of Nasal Polyps (P05604) https://ClinicalTrials.gov/show/NCT01386125 Completed Merck Sharp & Dohme Corp. 2013-02-28
NCT01368731 Prophylactic Coagulation for the Prevention of Bleeding in Endoscopic Mucosal Resection of Large Sessile Colonic Polyps https://ClinicalTrials.gov/show/NCT01368731 Active, not recruiting Western Sydney Local Health District 2014-01-31
NCT04378660 Artificial Intelligence (AI) Validation Study for Polyp Detection https://ClinicalTrials.gov/show/NCT04378660 Completed Universitaire Ziekenhuizen Leuven 2020-04-18
NCT04350840 Seoul National University Hospital Gangnam-Real Time Optical Diagnosis Program 2: Gangnam-READI2 https://ClinicalTrials.gov/show/NCT04350840 Recruiting Seoul National University Hospital 2020-07-16
NCT04335318 Real Life AI in Polyp Detection https://ClinicalTrials.gov/show/NCT04335318 Recruiting Wuerzburg University Hospital 2020-08-31
NCT04308824 Cyanoacrylate to Stop Bleeding After EMR for Large Polyps https://ClinicalTrials.gov/show/NCT04308824 Recruiting Societa Italiana di Chirurgia ColoRettale 2022-03-02
NCT04270994 Misoprostol as a Treatment for Endometrial Polyps in Infertile Patients https://ClinicalTrials.gov/show/NCT04270994 Completed Mateo-Sánez, Henry A. 2019-08-31
NCT04227795 AI-assisted Detection of Missed Colonic Polyps https://ClinicalTrials.gov/show/NCT04227795 Completed The University of Hong Kong 2020-02-01
NCT04221854 Stool-based SDC2 DNA Methylation Test for the Detection of Colorectal Advanced Adenomatous Polyps and Cancer https://ClinicalTrials.gov/show/NCT04221854 Recruiting Sixth Affiliated Hospital, Sun Yat-sen University 2021-12-31
NCT04195646 Computer Aided Detection of Polyps During Colonoscopy Procedures https://ClinicalTrials.gov/show/NCT04195646 Recruiting EndoVigilant Inc 2020-01-31
NCT04192565 A Prospective Investigation of the ColubrisMX ELS System https://ClinicalTrials.gov/show/NCT04192565 Active, not recruiting ColubrisMX 2020-01-31
NCT04185012 NAsal Polyps: Inflammatory & Molecular Phenotyping of Responders to Benralizumab https://ClinicalTrials.gov/show/NCT04185012 Recruiting Humanitas Clinical and Research Center 2020-09-30
NCT04123080 A Technique Using EBL for Removal of Pedunculated Colon Polyps https://ClinicalTrials.gov/show/NCT04123080 Completed Uijeongbu St. Mary Hospital 2014-01-31
NCT04107376 Inspection of the Colon Using a Retrograde Viewing Device for Detection of Colorectal Polyps https://ClinicalTrials.gov/show/NCT04107376 Recruiting University of Erlangen-Nürnberg Medical School 2019-09-30
NCT04104594 Olfaction and Inflammation in Chronic Rhinosinusitis With Nasal Polyps https://ClinicalTrials.gov/show/NCT04104594 Recruiting Centre Hospitalier Universitaire de Saint Etienne 2020-10-31
NCT04061005 A Comparison of the Resection Rate for Cold and Hot Snare Polypectomy for 5-15 mm Colorectal Polyps https://ClinicalTrials.gov/show/NCT04061005 Recruiting General Hospital of Beijing PLA Military Region 2020-10-20
NCT03967756 Impact of Automatic Polyp Detection System on Adenoma Detection Rate https://ClinicalTrials.gov/show/NCT03967756 Recruiting Changhai Hospital 2020-07-20
NCT03943121 The Effects of Steroid-eluting Stent Implant for the Treatment of Eosinophilic Chronic Rhinosinusitis With Nasal Polyps https://ClinicalTrials.gov/show/NCT03943121 Recruiting Beijing Tongren Hospital 2019-09-01
NCT03925337 Computer Aided Detection of Polyps in the Colon https://ClinicalTrials.gov/show/NCT03925337 Recruiting Beth Israel Deaconess Medical Center 2020-12-31
NCT03903497 WASP Classification in Diagnosis of Diminutive Colorectal Polyps https://ClinicalTrials.gov/show/NCT03903497 Recruiting Shanghai Jiao Tong University School of Medicine 2021-04-30
NCT03902899 Increasing Serrated Polyp Detection With a Brief Awareness Training https://ClinicalTrials.gov/show/NCT03902899 Completed Academisch Medisch Centrum - Universiteit van Amsterdam (AMC-UvA) 2018-10-26
NCT03901651 Combined Forward and Retroflexion Withdrawal in the Detection of Polyps and Adenoma During Colonoscopy https://ClinicalTrials.gov/show/NCT03901651 Recruiting Instituto Ecuatoriano de Enfermedades Digestivas 2020-11-01
NCT03880435 HYALOBARRIER® GEL ENDO Versus no HYALOBARRIER® GEL ENDO Following Operative Hysteroscopy for Improving Reproductive Outcome in Women With Intrauterine Pathology Wishing to Become Pregnant https://ClinicalTrials.gov/show/NCT03880435 Recruiting University Hospital, Ghent 2022-05-01
NCT03865537 Cold Snare Endoscopic Mucosal Resection Trial https://ClinicalTrials.gov/show/NCT03865537 Recruiting White River Junction Veterans Affairs Medical Center 2021-12-31
NCT03845933 Right Colon Polyp Miss Rates of Water Exchange and Carbon Dioxide Insufflation Colonoscopy https://ClinicalTrials.gov/show/NCT03845933 Completed Evergreen General Hospital, Taiwan 2019-10-31
NCT03833492 UEMR vs. CEMR for Diminutive Non-pedunculated Colorectal Polyps https://ClinicalTrials.gov/show/NCT03833492 Completed Ningbo No. 1 Hospital 2019-11-01
NCT03790215 Dydrogesterone in the Treatment of Endometrial Polyps https://ClinicalTrials.gov/show/NCT03790215 Completed Peking Union Medical College Hospital 2019-09-30
NCT03787784 Automatic Classification of Colorectal Polyps Using Probe-based Endomicroscopy With Artificial Intelligence https://ClinicalTrials.gov/show/NCT03787784 Recruiting Shandong University 2019-01-30
NCT03761667 Usefulness of NBI for Complete Endoscopic Resection of SSA/P https://ClinicalTrials.gov/show/NCT03761667 Completed Soonchunhyang University Hospital 2018-11-10
NCT03750617 Web-Mediated Risk Assessment for Endoscopic Screening of Colorectal Polyps https://ClinicalTrials.gov/show/NCT03750617 Recruiting State Key Laboratory of Cancer Biology 2019-12-01
NCT03725956 Polysomnographic Findings in Nasal Polyposis https://ClinicalTrials.gov/show/NCT03725956 Recruiting University Hospital, Lille 2020-07-31
NCT03756636 “Underwater” Technique With Submucosal Solution of Viscose Solution -SIC 8000 (EleviewTM) - For Endoscopic Resection of Cole-rectal Polyps With Signs of Fibrosis. https://ClinicalTrials.gov/show/NCT03756636 Completed Istituto Clinico Humanitas 2018-11-26
NCT03681093 Study of Efficacy of Fevipiprant in Patients With Nasal Polyposis and Asthma https://ClinicalTrials.gov/show/NCT03681093 Completed Novartis 2020-05-29
NCT03647176 A Comparison of the Resection Rate of Cold Snare Polypectomy for Large (10-15 mm) and Small (5-9 mm) Colorectal Polyps https://ClinicalTrials.gov/show/NCT03647176 Completed General Hospital of Beijing PLA Military Region 2020-01-15
NCT02217332 Study of Dexpramipexole Chronic Sinusitis With Nasal Polyps and Eosinophilia https://ClinicalTrials.gov/show/NCT02217332 Completed Knopp Biosciences 2016-12-14
NCT03567746 Underwater EMR vs. Conventional EMR for Large Non-pedunculated Colonic Polyp https://ClinicalTrials.gov/show/NCT03567746 Recruiting Parc de Salut Mar 2019-12-30
NCT03560128 Endocuff Vision Colonoscopy vs. AmplifEYE Colonoscopy https://ClinicalTrials.gov/show/NCT03560128 Completed Indiana University 2018-12-18
NCT03478930 An Extension Study of Omalizumab in Participants With Chronic Rhinosinusitis With Nasal Polyps https://ClinicalTrials.gov/show/NCT03478930 Completed Hoffmann-La Roche 2020-03-16
NCT03462706 Quad Resection (Hot Snare vs Cold Snare vs Hot EMR vs Cold EMR) https://ClinicalTrials.gov/show/NCT03462706 Recruiting Indiana University 2020-12-31
NCT01200303 Evaluation of Computer-assisted, Non-cathartic CT Colonography https://ClinicalTrials.gov/show/NCT01200303 Completed Massachusetts General Hospital 2010-10-31
NCT01133041 Comparative Study of Postprocessing Imaging Systems for Diminutive Colonic Polyps https://ClinicalTrials.gov/show/NCT01133041 Completed Soon Chun Hyang University 2010-10-31
NCT01124266 Endoscopy Nurse Participation in Adenoma Detection Rate During Colonoscopy https://ClinicalTrials.gov/show/NCT01124266 Completed Soon Chun Hyang University 2011-01-31
NCT01152112 HOME Study: Hysteroscopic Office Myomectomy Evaluation https://ClinicalTrials.gov/show/NCT01152112 Completed Hologic, Inc. 2012-01-31
NCT01025960 A Comparison of Methods to Detect Polyps During Colonoscopy https://ClinicalTrials.gov/show/NCT01025960 Completed The Cleveland Clinic 2011-12-31
NCT00987896 Megachannel Device for Advanced Colonoscopy https://ClinicalTrials.gov/show/NCT00987896 Completed Medical University of Vienna 2008-07-31
NCT00966420 Traction Assisted Polypectomy of the Intestine https://ClinicalTrials.gov/show/NCT00966420 Completed St John of God Hospital, Vienna 2010-03-31
NCT00855790 Comparison of Two Types of Biopsy Forceps for Obtaining Cold Biopsy Polypectomy for Small Sessile Colorectal Polyps Less Than 6 mm in Diameter https://ClinicalTrials.gov/show/NCT00855790 Completed University of Florida 2009-11-30
NCT04112563 COmparison of White Light and Linked COlor Imaging for Detection of RIght COlon Polyps https://ClinicalTrials.gov/show/NCT04112563 Recruiting Société Française d’Endoscopie Digestive 2022-01-01
NCT03566615 Does the Cap Increase the Finding of Polyps When Water Exchange Colonoscopy is Used https://ClinicalTrials.gov/show/NCT03566615 Recruiting VA Greater Los Angeles Healthcare System 2020-06-30
NCT00825292 Detection and Classification of Colon Polyps https://ClinicalTrials.gov/show/NCT00825292 Completed Mayo Clinic 2008-12-31
NCT03956862 GB001 in Adult Subjects With Chronic Rhinosinusitis https://ClinicalTrials.gov/show/NCT03956862 Active, not recruiting Gossamer Bio Inc. 2020-07-31
NCT02484079 Comparative Effectiveness of Hot Versus Cold Snare Polypectomy of Small Colorectal Polyps https://ClinicalTrials.gov/show/NCT02484079 Enrolling by invitation Sorlandet Hospital HF 2020-12-31
NCT04191473 Comparison of EMR-P With Conventional EMR https://ClinicalTrials.gov/show/NCT04191473 Recruiting First Affiliated Hospital of Zhejiang University 2020-10-01
NCT03390907 Hybrid APC Assisted EMR for Large Colon Polyps https://ClinicalTrials.gov/show/NCT03390907 Active, not recruiting Milton S. Hershey Medical Center 2020-06-01
NCT02678663 Injection-Assisted Cold Snare Polypectomy Versus Endoscopic Mucosal Resection for Small Colorectal Polyps https://ClinicalTrials.gov/show/NCT02678663 Completed Benizelion General Hospital 2016-11-30
NCT01439087 Optical Frequency Domain Imaging for Assessing Colonic Polyps https://ClinicalTrials.gov/show/NCT01439087 Completed Massachusetts General Hospital 2009-10-31
NCT04157803 Accuracy of aCETIC Acid to Predict Histopathology of Colonic Polyps https://ClinicalTrials.gov/show/NCT04157803 Recruiting Hospital Aleman 2019-11-15
NCT03814369 AmplifEYE Colonoscopy vs Standard Colonoscopy https://ClinicalTrials.gov/show/NCT03814369 Completed Queen Elizabeth Hospital, Hong Kong 2018-06-30
NCT03448653 Contribution of Narrow Band Imaging (NBI) for the Characterization of Scalloped Polyps (NBI POLYPES COLIQUES) https://ClinicalTrials.gov/show/NCT03448653 Recruiting Centre Hospitalier Departemental Vendee 2021-08-31
NCT00788463 A Comparison of Beclomethasone Aqueous Spray and Aerosol Delivery Systems in Nasal Polyps https://ClinicalTrials.gov/show/NCT00788463 Completed Lawson Health Research Institute 2009-03-30
NCT00739921 The Polymerase Chain Reaction (PCR) Analysis of Nasal Polyps for Fungal DNA https://ClinicalTrials.gov/show/NCT00739921 Completed University of California, San Francisco 2015-05-31
NCT00614770 Narrow Band Imaging Colon Polyp Study https://ClinicalTrials.gov/show/NCT00614770 Completed Kansas City Veteran Affairs Medical Center 2009-11-30
NCT00553436 Evaluation of an Endoscopic Suturing System for Tissue Apposition in Colonic Polypectomy https://ClinicalTrials.gov/show/NCT00553436 Completed Ethicon Endo-Surgery 2009-04-30
NCT00490087 Resectoscopic Treatment of Atypical Endometrial Polyps in Fertile Women https://ClinicalTrials.gov/show/NCT00490087 Completed IRCCS Burlo Garofolo 2007-03-31
NCT00467922 An Assessment of Goal-Directed Intraoperative Fluid Management in Hand Assisted Laparoscopic Colectomy https://ClinicalTrials.gov/show/NCT00467922 Completed Spectrum Health Hospitals 2009-09-30
NCT00465543 Mint Tea for the Treatment of Nasal Polyps https://ClinicalTrials.gov/show/NCT00465543 Completed McMaster University 2008-06-30
NCT00432913 Effect of 2 Doses of EPA on Apoptosis and Cell Proliferation on Colon Mucosa https://ClinicalTrials.gov/show/NCT00432913 Completed S.L.A. Pharma AG 2008-06-30
NCT00378378 Study of Nasonex® for the Treatment of Nasal Polyps in Pediatric Subjects Between Ages of 6 and Less Than 18 Years Old (P04292) https://ClinicalTrials.gov/show/NCT00378378 Completed Merck Sharp & Dohme Corp. 2008-06-30
NCT00339625 Polyp Prevention Trial https://ClinicalTrials.gov/show/NCT00339625 Completed National Institutes of Health Clinical Center (CC) 2020-05-11
NCT00272324 Aspirin/Folate Prevention of Large Bowel Polyps https://ClinicalTrials.gov/show/NCT00272324 Completed Dartmouth-Hitchcock Medical Center NA
NCT00247923 Endometrial Polyps: Pathophysiology and Clinical Consequences https://ClinicalTrials.gov/show/NCT00247923 Completed Oslo University Hospital NA
NCT00208793 Calcium and Vitamin D vs Markers of Adenomatous Polyps https://ClinicalTrials.gov/show/NCT00208793 Completed Emory University 2006-09-30
NCT00153816 Vitamin D/Calcium Polyp Prevention Study https://ClinicalTrials.gov/show/NCT00153816 Completed Dartmouth-Hitchcock Medical Center 2013-10-31

Observational Studiess

#If less then 500 studies

nct_id brief_title link overall_status source primary_completion_date
NCT04369053 Prevention of Colorectal Cancer Through Multiomics Blood Testing https://ClinicalTrials.gov/show/NCT04369053 Recruiting Freenome, Inc. 2021-07-30
NCT03822390 Diagnostic Performance of a Convolutional Neural Network for Diminutive Colorectal Polyp Recognition https://ClinicalTrials.gov/show/NCT03822390 Recruiting Academisch Medisch Centrum - Universiteit van Amsterdam (AMC-UvA) 2020-10-16
NCT02540850 CRC Screening Using mSEPT9 (Methylated Septin 9) in Chinese Population https://ClinicalTrials.gov/show/NCT02540850 Completed BioChain (Beijing) Science and Technology, Inc. 2015-09-30
NCT03297996 Study of Gut Microbiome and Colorectal Tumors https://ClinicalTrials.gov/show/NCT03297996 Completed NYU Langone Health 2015-04-25
NCT03221192 Qualitative Analysis of Subject Experience of Nasal Polyps https://ClinicalTrials.gov/show/NCT03221192 Completed GlaxoSmithKline 2018-02-28
NCT03118856 Electronic Chromoendoscopy for Polyp Characterization https://ClinicalTrials.gov/show/NCT03118856 Completed University of Erlangen-Nürnberg Medical School 2018-02-28
NCT02516748 Real-time Diagnosis of Colorectal Polyps Using Narrow-Band Imaging https://ClinicalTrials.gov/show/NCT02516748 Completed Seoul National University Hospital 2016-09-30
NCT02479893 Cold Snare,Hot Snare and APC Polypectomy for the Complete Removal of Small Left Sided Colon Polyps https://ClinicalTrials.gov/show/NCT02479893 Completed Evangelismos Hospital 2019-03-31
NCT02407925 Implementation of Optical Diagnosis for Diminutive Polyps Amongst Endoscopists: Training and Long-term Quality Assurance https://ClinicalTrials.gov/show/NCT02407925 Completed Academisch Medisch Centrum - Universiteit van Amsterdam (AMC-UvA) 2017-02-28
NCT02354287 Effectiveness of Cold Biopsy Forceps With Pre-lift for Complete Resection of Colonic Polyps ≤7mm in Size https://ClinicalTrials.gov/show/NCT02354287 Completed Gloucestershire Hospitals NHS Foundation Trust 2015-09-25
NCT02332772 Prospective Study of Colonoscopic Resection of Large Polyps and Flat Lesions https://ClinicalTrials.gov/show/NCT02332772 Recruiting M.D. Anderson Cancer Center 2025-04-30
NCT02289053 Prevalence and Topography of Adenomas in 40-49 Year Old Patients With a Family History of Colon Cancer https://ClinicalTrials.gov/show/NCT02289053 Completed University of Michigan 2014-06-30
NCT02217085 Colorectal Polyp Resection Adequacy https://ClinicalTrials.gov/show/NCT02217085 Recruiting Rush University Medical Center 2020-08-31
NCT02009774 Accuracy of the Optical Diagnosis of Small Colonic Polyps Using the Nice Classification https://ClinicalTrials.gov/show/NCT02009774 Completed Technische Universität München 2015-04-30
NCT04451512 Comparison of Cold and Hot Snare Resection for Colorectal Polyps Sized 10-19mm. https://ClinicalTrials.gov/show/NCT04451512 Active, not recruiting Second Affiliated Hospital of Xi’an Jiaotong University 2020-07-31
NCT01877525 Resect and Discard Approach to Diminutive Colonic Polyps https://ClinicalTrials.gov/show/NCT01877525 Completed Washington University School of Medicine 2012-10-31
NCT01777906 Study of the Efficacy of Topical Nasal Steroids Patients With Nasal Polyps https://ClinicalTrials.gov/show/NCT01777906 Completed Loma Linda University 2017-02-28
NCT01761279 High Definition Endoscopy With i-Scan for Small Colonic Polyp Evaluation: The HiScope Study https://ClinicalTrials.gov/show/NCT01761279 Completed Portsmouth Hospitals NHS Trust 2012-05-31
NCT01675752 Small Hyperplastic and Adenomatous Reliability Protocol https://ClinicalTrials.gov/show/NCT01675752 Completed Istituto Clinico Humanitas 2012-05-31
NCT01631773 A Comparison of microRNA Samples in Patients With Nasal Polyps and Aspirin Exacerbated Respiratory Disease and Those With Nasal Polyps Only https://ClinicalTrials.gov/show/NCT01631773 Completed University of South Florida 2012-06-30
NCT01520337 Polyp Detection Rate After Single Oral Dose of Methylene Blue MMX Modified Release Tablets Administered to Subjects Undergoing Outpatients Colonoscopy https://ClinicalTrials.gov/show/NCT01520337 Completed CosmoTech 2013-03-31
NCT01487356 Factors Associated With Short Withdrawal Time and Polyp Detection Rate During Colonoscopy https://ClinicalTrials.gov/show/NCT01487356 Completed University of British Columbia 2009-06-30
NCT01354873 Colorectal Polyp Discrimination Using High-Definition Narrow Band Imaging https://ClinicalTrials.gov/show/NCT01354873 Completed Mayo Clinic 2013-08-31
NCT04425941 Polyp Artificial Intelligence Study https://ClinicalTrials.gov/show/NCT04425941 Completed Petz Aladar County Teaching Hospital 2020-05-31
NCT04367415 Darwish Test (Office Hysteroscopic Bubble Suction and Tubal Peristalsis) in Cases of Intrauterine Polyp(s) https://ClinicalTrials.gov/show/NCT04367415 Recruiting Woman’s Health University Hospital, Egypt 2021-04-30
NCT04359355 Computer-aided Detection of Colorectal Polyps https://ClinicalTrials.gov/show/NCT04359355 Recruiting University of Erlangen-Nürnberg Medical School 2020-04-30
NCT04349787 Improving Optical Diagnosis of Colorectal Polyps Using CADx and BASIC. https://ClinicalTrials.gov/show/NCT04349787 Completed Maastricht University Medical Center 2020-03-08
NCT04232176 Precision of Optical Diagnosis in Polyps Between 5-15 mm and Its Implications on Surveillance. A Prospective, Multicenter Study. https://ClinicalTrials.gov/show/NCT04232176 Recruiting University Hospital Virgen de las Nieves 2021-12-01
NCT04032912 The Non-Optical Resect and Discard Study (NORD) https://ClinicalTrials.gov/show/NCT04032912 Completed Centre hospitalier de l’Université de Montréal (CHUM) 2019-05-31
NCT03937063 Collecting Recorded Videos of Colonoscopy Tests https://ClinicalTrials.gov/show/NCT03937063 Recruiting Magentiq Eye LTD 2020-03-31
NCT03891290 Collecting Recorded Videos of Colonoscopy Screening Tests https://ClinicalTrials.gov/show/NCT03891290 Completed Magentiq Eye LTD 2019-07-10
NCT03891251 Collecting Recorded Videos of Colonoscopy https://ClinicalTrials.gov/show/NCT03891251 Recruiting Magentiq Eye LTD 2021-02-28
NCT03848156 Characterisation of Nasal Polyps in Patients With and Without Aspirin-exacerbated Respiratory Disease https://ClinicalTrials.gov/show/NCT03848156 Completed Medical University of Vienna 2019-11-30
NCT03775811 In Vivo Computer-aided Prediction of Polyp Histology on White Light Colonoscopy https://ClinicalTrials.gov/show/NCT03775811 Recruiting Hospital Clinic of Barcelona 2020-06-23
NCT03761771 Artificial Intelligence Identifying Polyps in Real-world Colonoscopy https://ClinicalTrials.gov/show/NCT03761771 Completed Changhai Hospital 2018-12-10
NCT03758872 CUFF-assisted Colonoscopy vs Standard Colonoscopy https://ClinicalTrials.gov/show/NCT03758872 Recruiting Clinique du Trocadéro 2018-12-15
NCT03746171 Blue Light Imaging (BLI) for Optical Diagnosis of Colorectal Polyps https://ClinicalTrials.gov/show/NCT03746171 Completed Valduce Hospital 2019-09-30
NCT03712059 National Colorectal Polyp Care https://ClinicalTrials.gov/show/NCT03712059 Recruiting Changhai Hospital 2019-04-30
NCT03620695 Confocal Laser Endomicroscopy With Topical Cresyl Violet for Colorectal Polyps https://ClinicalTrials.gov/show/NCT03620695 Recruiting Shandong University 2018-10-31
NCT03588416 Multicentric Study About Pathological Risk Factors for Lymph Node Metastasis in Malignant Colorectal Polyps https://ClinicalTrials.gov/show/NCT03588416 Recruiting Azienda Ospedaliera di Perugia 2020-02-29
NCT03515343 Optivista : I-SCAN OE for Optical Diagnosis of Small Colon Polyps https://ClinicalTrials.gov/show/NCT03515343 Completed Centre hospitalier de l’Université de Montréal (CHUM) 2019-03-31
NCT03477318 Accuracy of Endoscopists in Predicting Polyp Pathology https://ClinicalTrials.gov/show/NCT03477318 Completed TriHealth Inc. 2018-11-07
NCT03411707 Multiple Screening Methods for the Detection of Chinese Colorectal Advanced Adenomatous Polyps and Cancer https://ClinicalTrials.gov/show/NCT03411707 Recruiting Sixth Affiliated Hospital, Sun Yat-sen University 2020-06-30
NCT01262248 Computer-based Classification of Colorectal Polyps Using Narrow-band Imaging https://ClinicalTrials.gov/show/NCT01262248 Completed Tischendorf, Jens, M.D. 2011-02-28
NCT01224444 Complete Histologic Resection of Adenomatous Polyps? https://ClinicalTrials.gov/show/NCT01224444 Completed White River Junction Veterans Affairs Medical Center 2011-12-31
NCT01062035 Study of a Screening Blood Test to Determine Patients’ Potential Risk of Adenomatous or Advanced Colon Polyps (ACPs) https://ClinicalTrials.gov/show/NCT01062035 Completed Mayo Clinic 2013-09-30
NCT00988676 The Effect of Bowel Preparation Status on the Polyp Missing Rate https://ClinicalTrials.gov/show/NCT00988676 Completed Konkuk University Hospital 2009-11-30
NCT00888771 Discard:Characterisation of Colonic Polyps in Vivo https://ClinicalTrials.gov/show/NCT00888771 Completed Imperial College London 2009-02-28
NCT00835445 Biopsies and Polyps https://ClinicalTrials.gov/show/NCT00835445 Completed Laval University 2008-10-31
NCT02332785 Prospective Study of Colon Serrated Polyps https://ClinicalTrials.gov/show/NCT02332785 Recruiting M.D. Anderson Cancer Center 2026-11-30
NCT04339855 AI for Colorectal Polyp Detection https://ClinicalTrials.gov/show/NCT04339855 Active, not recruiting Johannes Gutenberg University Mainz 2020-08-31
NCT00399607 Calcium/Vitamin D, Biomarkers & Colon Polyp Prevention https://ClinicalTrials.gov/show/NCT00399607 Completed Emory University 2016-02-29
NCT00204867 Virtual Colonoscopy (VC) for Primary Colorectal Screening https://ClinicalTrials.gov/show/NCT00204867 Completed University of Wisconsin, Madison 2016-06-30

Registries

#If less then 500 registries

nct_id brief_title link overall_status source primary_completion_date
NCT02986308 The Metabolomics of Intestinal Polyps of Different Pathological Types and TCM Syndromes and TCM Constitution Types https://ClinicalTrials.gov/show/NCT02986308 Completed First Affiliated Hospital of Harbin Medical University 2019-01-21
NCT02782793 Predictors of Unsuccessful Endoscopic Mucosal Resection of Complex Colon Polyps https://ClinicalTrials.gov/show/NCT02782793 Completed Northwestern University 2016-12-31
NCT04444947 Influencing Factors in Patients With Colorectal and Gastric Polyps a Retrospective Study https://ClinicalTrials.gov/show/NCT04444947 Completed The First Affiliated Hospital with Nanjing Medical University 2020-03-30
NCT04220905 Endoscopic Resection of Large Colorectal Polyps: An Observational Cohort Study https://ClinicalTrials.gov/show/NCT04220905 Recruiting White River Junction Veterans Affairs Medical Center 2025-05-31
NCT03700593 Feasibility and Safety of Single Port Robot in Colorectal Procedures https://ClinicalTrials.gov/show/NCT03700593 Enrolling by invitation Marks Colorectal Surgical Associates 2020-10-01
NCT03688906 AI-EMERGE: Development and Validation of a Multi-analyte, Blood-based Colorectal Cancer Screening Test https://ClinicalTrials.gov/show/NCT03688906 Completed Freenome, Inc. 2019-11-25
NCT03545061 Dutch National Prospective EMR Cohort https://ClinicalTrials.gov/show/NCT03545061 Recruiting Radboud University 2020-07-31
NCT03417258 Phytoestrogens and Colonic Adenomatous Polyps https://ClinicalTrials.gov/show/NCT03417258 Completed University of Bari 2017-06-15